1use std::{any::TypeId, sync::Arc};
  2
  3use gpui::{
  4    div, hsla, px, red, AnyView, AppContext, Component, DispatchPhase, Div, ParentElement, Render,
  5    StatelessInteractive, Styled, View, ViewContext,
  6};
  7use ui::v_stack;
  8
  9use crate::Workspace;
 10
 11pub struct ModalRegistry {
 12    registered_modals: Vec<(TypeId, Box<dyn Fn(Div<Workspace>) -> Div<Workspace>>)>,
 13}
 14
 15pub trait Modal {}
 16
 17#[derive(Clone)]
 18pub struct ModalLayer {
 19    open_modal: Option<AnyView>,
 20}
 21
 22pub fn init_modal_registry(cx: &mut AppContext) {
 23    cx.set_global(ModalRegistry {
 24        registered_modals: Vec::new(),
 25    });
 26}
 27
 28struct ToggleModal {
 29    name: String,
 30}
 31
 32impl ModalRegistry {
 33    pub fn register_modal<A: 'static, V, B>(&mut self, action: A, build_view: B)
 34    where
 35        V: Render,
 36        B: Fn(&Workspace, &mut ViewContext<Workspace>) -> View<V> + 'static,
 37    {
 38        let build_view = Arc::new(build_view);
 39
 40        self.registered_modals.push((
 41            TypeId::of::<A>(),
 42            Box::new(move |mut div| {
 43                let build_view = build_view.clone();
 44
 45                div.on_action(
 46                    move |workspace: &mut Workspace,
 47                          event: &A,
 48                          phase: DispatchPhase,
 49                          cx: &mut ViewContext<Workspace>| {
 50                        dbg!("GOT HERE");
 51                        if phase == DispatchPhase::Capture {
 52                            return;
 53                        }
 54
 55                        let new_modal = (build_view)(workspace, cx);
 56                        workspace.modal_layer.update(cx, |modal_layer, _| {
 57                            modal_layer.open_modal = Some(new_modal.into());
 58                        });
 59
 60                        cx.notify();
 61                    },
 62                )
 63            }),
 64        ));
 65    }
 66}
 67
 68impl ModalLayer {
 69    pub fn new() -> Self {
 70        Self { open_modal: None }
 71    }
 72
 73    // Workspace
 74    // - ModalLayer parent
 75    // - - container
 76    // - - - modal
 77    // - - - content of the modal
 78    // - - content of the workspace
 79
 80    // app
 81    // workspace
 82    // container some layer that contains all modals and is 100% wide and high
 83    // modal (this has a shadow, some witdht)
 84    // whatever
 85
 86    pub fn render(&self, workspace: &Workspace, cx: &ViewContext<Workspace>) -> Div<Workspace> {
 87        let mut parent = div().relative().bg(red()).size_full();
 88
 89        for (_, action) in cx.global::<ModalRegistry>().registered_modals.iter() {
 90            parent = (action)(parent);
 91        }
 92
 93        parent.when_some(self.open_modal.as_ref(), |parent, open_modal| {
 94            let container1 = div()
 95                .absolute()
 96                .flex()
 97                .flex_col()
 98                .items_center()
 99                .size_full()
100                .top_0()
101                .left_0()
102                .z_index(400);
103
104            // transparent layer
105            let container2 = v_stack()
106                .bg(hsla(0.5, 0.5, 0.5, 0.5))
107                .h(px(0.0))
108                .relative()
109                .top_20();
110
111            parent.child(container1.child(container2.child(open_modal.clone())))
112        })
113    }
114}
115
116// impl Render for ModalLayer {
117//     type Element = Div<Self>;
118
119//     fn render(&mut self, cx: &mut ViewContext<Self>) -> Self::Element {
120//         let mut div = div();
121//         for (type_id, build_view) in cx.global::<ModalRegistry>().registered_modals {
122//             div = div.useful_on_action(
123//                 type_id,
124//                 Box::new(|this, _: dyn Any, phase, cx: &mut ViewContext<Self>| {
125//                     if phase == DispatchPhase::Capture {
126//                         return;
127//                     }
128//                     self.workspace.update(cx, |workspace, cx| {
129//                         self.open_modal = Some(build_view(workspace, cx));
130//                     });
131//                     cx.notify();
132//                 }),
133//             )
134//         }
135
136//         div
137//     }
138// }